Add travis-ci script to detect tab characters in the code

.travis.yml

@@ -40,8 +40,8 @@ script:
  - cd ./build
  - if [ "$COVERITY_SCAN_BRANCH" != 1 ]; then ${ANALYZE}make -j2; fi
  - if [ "$COVERITY_SCAN_BRANCH" != 1 ] && [ "${TRAVIS_OS_NAME}" = "osx" ]; then make package; fi
-after_script:
  - if [ "${TRAVIS_OS_NAME}" = "linux" ]; then ./openmw_test_suite; fi
+ - if [ "${TRAVIS_OS_NAME}" = "linux" ]; then cd .. && ./CI/check_tabs.sh; fi
 notifications:
   recipients:
     - corrmage+travis-ci@gmail.com

CI/check_tabs.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+OUTPUT=$(grep -nRP '\t' --include=\*.{cpp,hpp,c,h} apps components)
+
+if [[ $OUTPUT ]] ; then
+    echo "Error: Tab characters found!"
+    echo $OUTPUT
+    exit 1
+fi